Frequency Weighted Model Reduction Technique Retaining Hankel Singular Values

A. Ghafoor, Victor Sreeram, R. Treasure

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    In this paper, a modification to Lin and Chiu technique [1,2] of frequency weighted balanced truncation is presented. As in [1,2] the method is based on simulataneously diagonalizing the frequency weighted controllability and observability Gramians. Instead of obtaining the reduced order models from the truncated frequency weighted balanced realization as in conventional techniques [1,2], the models are obtained from the truncated augmented system realizations which ensures matching of the dominant frequency weighted Hankel singular values. The method is compared with the method of [2] using numerical examples.
    Original languageEnglish
    Pages (from-to)50-56
    JournalAsian Journal of Control
    Volume9
    Issue number1
    Publication statusPublished - 2007

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